Infosys  Placement Paper   Aptitude - Puzzle   -

Infosys  Placement Paper   Aptitude - Puzzle   -


  • Posted by  FreshersWorld 
    7 Jan, 2012

     

    1:there is a robery and four persons are suspected out of them one is actual thief, these are the senteces said by each one of them!
    A says D had done
    B says A had done
    C says i dddnt done
    D B lied when he said that i am thief out of these only one man is true remaining are false  

     ans C is thef,D is true                                                                                                                              maks 3

    2 how many four digit numbers divisible by four can be formed using 1,2,3,4;repetions are not allowed!
    ans 6;                                                                                                                       marks 4


    3 a vender solds two things at same cost 12 RS with one item at 25%profit and other at 20%loss,by this transaction he made profit or loss by how much ans loss,60paise                                                 marks 3

    4 two friends A,B are running up hill and then to get down! length if road is 440 yards A on his return journy met B goin up at 20 yards from top,A has finished the rase .5 minuit earlier than B,then how much time A had taken to complete the rase. ans 6.3 minuits                                                                               marks 4

    5 barons question diagnostic test question 8-12,5 men and 5 women went for foot ball match.........  marks 8

    6 write a five digit number ,which will be having two prime numbers, and some two more conditions,like 1st digit greater than 2nd etc its easy(remember one is not a prime number,most people don mistake taking 1 as prime number)   ans 71842                                                                                       5 marks

    7 Two employs were there employ one says to employ two your work ezxperience twice as me emp2 exactly
    emp1 but two years before you said that your work experience is thrice as me emp2 yes its also true what are their work experience    ans 4,8                                                                                    marks 3

    8 ther are four persons A,B,C,D and for languages english ,french ,german italian, conditions
    1 only one language is spoken by more than two men
    2 A dont know english
    3 a man can speak either french or german but not both
    4 all man cannot spek in a group(no common language)
    5 A can mediate when B and C want to speak with each other
    6 each men can speak two languages
    ans
    A french italian
    B english french
    C german italian
    D german italian                                                                                                           marks 7

    9 there are 3 women ,they having three jewells,named diamond emerald ,ruby  3 women A,B,C 3 thiefs D,E,F
    each thef had taken one jewel from each of the women  following conditions one who had taken diamond is the bachelor and most dangerous D 's brother in law E who is less dangerous than the thief who hadstolen emerald
    (this is the key from this e had stolen ruby) D did nt stolen from B one more condition is there      marks 7

    10 ther were five persons out of which two persons heir went white and three persons hair is black conditions
    if A 's hir is white then B'hair is white A,s hair is not blakck if C's hair is not black two more conditions but we can easily solve it from first codition ans is Aand B's hair is white                                       marks 5

    interview questions!

    1 two time glases 7,4 how you measure 9
    2 four persons have to cross the bridge they are having one torch ligt four persons take 1,2,5,10 minuits respectively ,when two persons are going the will take the time of the slowest person whats the time taken to cross allof them
    ans 17minuits
    3 a non uniform rope burns for one hour how you will measure half an hour ans lit it from both sides!

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